Kevin Spacey talks politics, ambition and 'House of Cards'

A power-hungry politician makes a triumphant return to Washington. Mark Sanford? No -- House Majority Whip Francis Underwood aka actor Kevin Spacey. When we last caught up with the Oscar-winning actor in January, he was launching "House of Cards," a multi-chapter political drama on Netflix. Four months later, the show is a hit and Spacey the darling of Washington's political intelligentsia -- even starring in the White House Correspondents' Association dinner opening gag reel. So the actor's app...